Fix virtual/override/final usage in Source/core/svg/.

Source/core/svg/SVGCircleElement.h

Index: Source/core/svg/SVGCircleElement.h
diff --git a/Source/core/svg/SVGCircleElement.h b/Source/core/svg/SVGCircleElement.h
index f0eb2a706d4bb6168fc81ad44edb1cbabe5892e6..c1beaad3cc5aa265ab3babf4f74da88ff0f2f60f 100644
--- a/Source/core/svg/SVGCircleElement.h
+++ b/Source/core/svg/SVGCircleElement.h
@@ -45,15 +45,15 @@ public:
 private:
     explicit SVGCircleElement(Document&);
 
-    virtual void svgAttributeChanged(const QualifiedName&) override;
+    void svgAttributeChanged(const QualifiedName&) override;
 
-    virtual bool isPresentationAttribute(const QualifiedName&) const override;
-    virtual bool isPresentationAttributeWithSVGDOM(const QualifiedName&) const override;
-    virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) override;
+    bool isPresentationAttribute(const QualifiedName&) const override;
+    bool isPresentationAttributeWithSVGDOM(const QualifiedName&) const override;
+    void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) override;
 
-    virtual bool selfHasRelativeLengths() const override;
+    bool selfHasRelativeLengths() const override;
 
-    virtual LayoutObject* createLayoutObject(const ComputedStyle&) override;
+    LayoutObject* createLayoutObject(const ComputedStyle&) override;
 
     RefPtrWillBeMember<SVGAnimatedLength> m_cx;
     RefPtrWillBeMember<SVGAnimatedLength> m_cy;